CN218916919U - Multipath switching type deep sea microorganism filtering and collecting device - Google Patents

Abstract

The utility model discloses a multi-path switching type deep sea microorganism filtering and collecting device, which relates to the technical field of deep sea sampling, and comprises the following components: the liquid path switching unit is provided with an interface matching shell and a liquid path switching valve core rotatably arranged in the interface matching shell, a water inlet channel and a water outlet channel are arranged in the liquid path switching valve core, and a plurality of shell connectors are arranged on the interface matching shell at intervals along the circumferential direction; the electronic cabin body is provided with an electronic cabin shell, the electronic cabin shell is connected above the interface matching shell, a stepping speed reducing motor is arranged in the electronic cabin shell, and the stepping speed reducing motor is connected with the liquid path switching valve core through a driving shaft body so as to drive the liquid path switching valve core to rotate around the axis; the microorganism filtering unit comprises a liquid path connecting conduit with a microporous filtering sieve plate, and the inlet and the outlet of the liquid path connecting conduit are respectively connected to the joints of the two interfaces matched with the shell; the peristaltic pump is connected to the drain channel by tubing.

Description

Multipath switching type deep sea microorganism filtering and collecting device

Technical Field

The utility model relates to the technical field of deep sea sampling, in particular to a multi-channel switching type deep sea microorganism filtering and collecting device.

Background

Microorganisms in the ocean are from the ocean environment, which grow and live in seawater, and can survive and continue to reproduce in low-nutrition, low-temperature conditions (or extreme environments such as high pressure, high temperature, etc.) for a long period of time. The deep sea microorganisms are enriched with anaerobic methane-oxidizing archaea, sulfate-reducing bacteria and the like in the cold spring area; the high diversity of microorganisms formed in deep sea hydrothermal areas is due to the diversity of chemical species and rapid dynamic changes. Meanwhile, the ocean shells contain rich minerals, and microorganisms participating in key metabolic reactions of iron, manganese, sulfur and the like are not depleted. Since most microorganisms in marine environments have no cultivated relatives, understanding and research of the diversity, physiological functional properties, and bio-geochemistry of deep sea microorganisms remains a great challenge. It is important for the research of ocean science to obtain a high quality sample of microorganisms in deep sea water.

The marine microorganism research is to obtain a large number of microorganism samples firstly, the traditional sampling equipment is limited by the volume of a sampling tube, only a small number of microorganism samples can be obtained, and most deep-sea microorganism collecting devices are limited by the volume and the weight at present, and are limited to collect and store the samples, so that samples with multiple time sequences cannot be obtained. The sampling equipment is designed in the deep sea to filter high-quality microorganism samples in the deep sea water, so that the microorganism samples can truly reflect the microorganism information in the sea water samples, and the method is an important research direction in the field of deep sea exploration. Therefore, a multi-channel switching type deep sea microorganism filtering and collecting device needs to be developed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a multi-path switching type deep sea microorganism filtering and collecting device, which rotates a driving shaft body through different angles of rotation of an output shaft of a stepping speed reducing motor, so as to drive a liquid path switching valve core and an interface matching shell to rotate mutually, and open and close water inlets and water outlets of different liquid paths; the peristaltic pump is used for providing suction power, the deep sea water is filtered through the microporous filtering sieve plate, and the microbial sample in the sea water is reserved on the sieve plate, so that the high-time resolution filtering and collecting of the microbial sample in the deep sea water is realized.

In order to achieve the above purpose, the present utility model may be performed by the following technical scheme:

a multi-way switching type deep sea microorganism filtering and collecting device, which comprises:

the liquid path switching unit is provided with an interface matching shell and a liquid path switching valve core rotatably arranged in the interface matching shell, a water inlet channel and a water outlet channel are arranged in the liquid path switching valve core, and a plurality of shell connectors are arranged on the interface matching shell at intervals along the circumferential direction;

the electronic cabin body is provided with an electronic cabin shell, the electronic cabin shell is connected above the interface matching shell, a stepping speed reducing motor is arranged in the electronic cabin shell, and the stepping speed reducing motor is connected with the liquid path switching valve core through a driving shaft body so as to drive the liquid path switching valve core to rotate around an axle center;

the microbial filtering unit comprises a liquid path connecting conduit with a microporous filtering sieve plate, and the inlet and the outlet of the liquid path connecting conduit are respectively connected to the joints of the two interface matching shells; the method comprises the steps of,

a peristaltic pump connected to the drain channel by a tubing, wherein,

the liquid way switching valve core works in a first working position and a second working position, when the liquid way switching valve core is in the first working position, the water inlet channel and the water outlet channel of the liquid way switching valve core are cut off to be communicated with the liquid way connecting guide pipe with the micro-pore filtering sieve plate, and when the liquid way switching valve core is in the second working position, the water inlet channel and the water outlet channel of the liquid way switching valve core are communicated with the liquid way connecting guide pipe with the micro-pore filtering sieve plate.

The multi-path switching type deep sea microorganism filtering and collecting device is characterized in that the shell connectors are distributed with 4 layers in an equal number along the axial direction, wherein the shell connectors on the upper two layers are used for being connected with the drainage channel, the shell connectors on the lower two layers are used for being connected with the water inlet channel, the included angle of two adjacent shell connectors in each layer is 7.2 degrees, and the included angle of two adjacent shell connectors in the upper two layers is 3.6 degrees.

The multi-channel switching type deep sea microorganism filtering and collecting device is characterized in that the water inlet channel and the water outlet channel are respectively provided with two branches, and each branch corresponds to the distribution position of the shell joint.

The multi-way switching type deep sea microorganism filtering and collecting device is characterized in that the joint is matched with the bottom of the shell to form a total water inlet and a total water outlet, wherein the total water inlet is communicated with the water inlet channel, and the total water outlet is communicated with the water outlet channel and connected to the peristaltic pump through a pipeline.

The multi-path switching type deep sea microorganism filtering and collecting device is characterized in that the peristaltic pump is provided with a peristaltic pump motor cabin body, the peristaltic pump motor cabin body is provided with a driving motor, one end of the peristaltic pump motor cabin body is provided with a peristaltic pump suction pump head, one end of the peristaltic pump suction pump head is provided with a peristaltic pump water inlet, the other end of the peristaltic pump suction pump head is provided with a peristaltic pump water outlet, and the peristaltic pump water inlet is connected to the drainage channel through a pipeline.

The multi-path switching type deep sea microorganism filtering and collecting device further comprises a peristaltic pump energy accumulator interface and a peristaltic pump watertight connector interface.

The multi-path switching type deep sea microorganism filtering and collecting device is characterized in that the electronic cabin body is further connected with an electronic cabin energy accumulator.

The multi-path switching type deep sea microorganism filtering and collecting device is characterized in that the microporous filtering sieve plate is further wrapped in the filtering sieve plate protecting shell, a filter water inlet is formed in one side face of the filtering sieve plate protecting shell, and a filter water outlet is formed in the other side face of the filtering sieve plate protecting shell.

The multi-channel switching type deep sea microorganism filtering and collecting device is characterized in that the electronic cabin shell and the interface matching shell are fixedly connected through the electronic cabin connecting bolt.

The multi-channel switching type deep sea microorganism filtering and collecting device is characterized in that the interface is matched with the bottom of the shell to be provided with a device integral bracket; the electronic cabin shell is also provided with an electronic cabin watertight connector interface.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model uses peristaltic pump to pump and filter the deep sea water, and under the condition of maintaining the original environment of the deep sea water environment, the utility model carries out the filtration collection with high space-time resolution on the microorganism in the sea water in real time, so as to obtain the microorganism samples with different water depths and different times. The utility model provides important technical means support for the development of deep sea microorganism filtration sampling technology in the fields of marine microorganism research, marine ecological environment monitoring and the like.

2. The device utilizes the liquid path switching unit to extract and filter 99 microbial samples in the deep sea water. In order to distinguish different microorganism samples and prevent interactive pollution, four channels are arranged in the liquid channel switching valve core, two channels are water inlet channels, and two channels are water drainage channels. The interfaces are matched with 200 interfaces on the side wall of the shell, the lower two layers are 100 single-channel water inlets, and the upper two layers are 100 single-channel water outlets. The 100 water inlets are evenly divided into two layers of water inlets, namely, the included angle between two adjacent water inlets of 50 water inlets of a single layer is 7.2 degrees, and the angle between two adjacent water outlets in 100 water inlets is 3.6 degrees. 100 single-way water inlets are matched with a single-way water outlet, so that seawater samples are filtered and waste liquid is discharged.

3. The device is designed with a flushing channel and 99 microorganism filtering structures, and the interfaces at the two sides of the protective shell of each filtering screen plate correspond to each single-way water inlet and water outlet respectively. When the sampler works, the microporous filtering sieve plate in the protective shell filters the deep sea water and entraps microorganism samples in the sea water, and 99 different microorganism samples are obtained by the same method.

4. The device provides pumping filtration power through the peristaltic pump, and the two interfaces matched with the bottom of the shell are a total water inlet and a total water outlet. When the device works, the peristaltic pump drives the motor to supply power, the peristaltic pump works, seawater enters the liquid path channel from the main water inlet, filtered waste liquid is connected with the peristaltic pump through the main water outlet and discharged to the seawater environment, after filtration is completed, the peristaltic pump drives the motor to be powered off, and at the moment, filtration of the single-path seawater microorganism sample is completed.

5. The stepping speed reduction motor output shaft in the electronic cabin body of the device rotates the driving shaft body structure through rotating different angles, so that the liquid path switching valve core is driven to be matched with the interface matching shell to open and close the water inlets and the water outlets of different liquid paths. The stepping speed reducing motor and the peristaltic pump motor drive switch are matched through circuit programming design, so that seawater is filtered, and a microorganism sample is obtained.

6. The device is provided with the electronic cabin energy accumulator, can be directly connected with the power supply cable of the mother ship to perform independent deep sea sampling work, and can carry on equipment such as a deep sea moving platform, an ROV and the like to perform deep sea water suction filtration sampling.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a multi-channel switching type deep sea microorganism filtering and collecting device according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a microorganism filter unit of the multi-path switching type deep sea microorganism filter collection device shown in FIG. 1;

fig. 3 is a schematic structural diagram of a peristaltic pump of the multi-path switching type deep sea microorganism filtering and collecting device shown in fig. 1.

Wherein: 1. an electronic cabin; 2. a stepping speed reducing motor; 3. a drive shaft body; 4. a housing joint; 5. a microorganism filtration unit; 6. the liquid path is connected with the guide pipe; 7. the interface is matched with the shell; 8. a main water inlet; 9. a main drain outlet; 10. an integral device bracket; 11. a waste liquid drainage pipeline; 12. peristaltic pump motor cabin; 13. peristaltic pump accumulator interface; 14. peristaltic pump watertight connector interface; 15. a liquid path switching valve core; 16. a housing interface; 17. an electronic cabin connecting bolt; 18. an electronics pod housing; 19. an electronic cabin accumulator; 20. an electronic cabin watertight connector interface; 21. a filter water inlet; 22. a filter screen plate protective housing; 23. microporous filtering sieve plate; 24. a strainer drain; 25. peristaltic pump suction pump head; 26. a peristaltic pump water inlet; 27. and a peristaltic pump drain.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Examples:

it should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1 to 3, fig. 1 shows a multi-path switching type deep sea microorganism filtering and collecting device, and fig. 2 and 3 show a microorganism filtering unit 5 and a peristaltic pump of the multi-path switching type deep sea microorganism filtering and collecting device shown in fig. 1, respectively. The acquisition device of the utility model utilizes the peristaltic pump to suck and filter the deep sea water, and performs high space-time resolution filtering acquisition on microorganisms in the sea water in real time under the condition of maintaining the original environment of the deep sea water environment so as to obtain microorganism samples with different water depths and different times. The device of the utility model may comprise: the liquid path switching unit comprises an interface matching shell 7 and a liquid path switching valve core 15 rotatably arranged in the interface matching shell 7, wherein a water inlet channel and a water outlet channel are arranged in the liquid path switching valve core 15, and a plurality of shell connectors 4 are arranged on the interface matching shell 7 at intervals along the circumferential direction; the electronic cabin body 1 is provided with an electronic cabin shell 18, the electronic cabin shell 18 is connected above the interface matching shell 7, a stepping speed reduction motor 2 is arranged in the electronic cabin shell 18, and the stepping speed reduction motor 2 is connected with the liquid path switching valve core 15 through the driving shaft body 3 so as to drive the liquid path switching valve core 15 to rotate around the axis; the microorganism filtering unit 5 comprises a liquid path connecting conduit 6 with a microporous filtering sieve plate 23, and the inlet and the outlet of the liquid path connecting conduit 6 are respectively connected to the joints of the two interfaces matched with the shell 7; the peristaltic pump is connected to the drain channel by tubing. Wherein the liquid path switching valve core 15 operates in a first operating position in which the water inlet passage and the water outlet passage of the liquid path switching valve core 15 are cut off from communicating with the liquid path connecting conduit 6 with the microporous filtering sieve plate 23, and a second operating position in which the water inlet passage and the water outlet passage of the liquid path switching valve core 15 communicate with the liquid path connecting conduit 6 with the microporous filtering sieve plate 23.

Specifically, the liquid path switching unit includes a liquid path switching valve element 15 and an interface mating housing 7. In order to realize pollution-free filtration of microbial samples and improve sampling efficiency on seawater samples with different time-space sequences, the interior of the liquid path switching valve core 15 is designed into four paths of channels, two paths of channels are water inlet channels, two paths of channels are water outlet channels, and the interfaces are matched with 200 shell joints 4 on the side wall of the shell 7 to perform 100 paths of seawater suction filtration and microbial storage. The electronic cabin body 1 comprises an electronic cabin shell 18, a stepping gear motor 2 and a driving shaft body 3, wherein the electronic cabin shell 18 is made of high pressure-resistant and corrosion-resistant materials, and can be made of titanium alloy materials, and the electronic cabin shell is used for protecting a motor, a circuit board and a transmission structure from working normally in a deep sea environment. The output shaft of the stepping gear motor 2 can rotate different angles, and the stepping gear motor 2 rotates the driving shaft body 3 by rotating different angles, so that the liquid path switching valve core 15 is driven to be matched with the interface matching shell 7 to perform water inlet and water outlet opening and closing of different liquid paths, and accordingly conduction of each liquid path is performed on seawater. The microorganism filter unit 5 comprises a liquid path connecting conduit 6 and a microporous filter screen plate 23, wherein the liquid path connecting conduit 6 is used as a passage through which a liquid path flows for conveying seawater and waste liquid. The microporous filtering sieve plate 23 is used for filtering and intercepting microorganisms in seawater, and microorganism samples are intercepted on the filtering sieve plate and are recovered for detection analysis after the device works. Peristaltic pumps provide a steady pumping rate and prevent damage to microorganisms and the microporous filter screen panels 23 due to excessive pumping rates. When the sample is filtered, the peristaltic pump driving motor is powered at the moment, the water suction pump head works, after the seawater is filtered, the peristaltic pump driving motor is powered off, the water suction pump head stops working, and the peristaltic pump pumping device repeatedly performs the pumping and filtering of the seawater by pushing the peristaltic pump driving motor. In this scheme, when liquid way switch valve core 15 work in first working position, this device cuts off and has the liquid way connecting pipe 6 intercommunication of millipore filtration sieve 23, carries out the washing of liquid way, can prevent that the impurity of depositing in the device from producing the pollution to microorganism. When the liquid path switching valve core 15 works at the second working position, the water inlet channel and the water outlet channel of the device are communicated with the liquid path connecting guide pipe 6 with the micro-pore filter sieve plate 23, the peristaltic pump pumps seawater, the micro-pore filter sieve plate 23 filters seawater samples, and the microorganism samples are trapped on the micro-pore filter sieve plate 23 to finish the sampling of the single-path microorganisms. At this time, the fluid path switching valve element 15 is connected to the first working position with the housing interface 16 on the interface mating housing 7, and the fluid path is flushed and waits for the next sampling operation. By such pushing, the extraction and filtration of 99 times of seawater and the collection and preservation of microorganism samples are completed. After the 99 liquid paths are all sampled, the device is recovered, and the microporous filtering sieve plate 23 is brought back to a laboratory for subsequent test analysis.

Therefore, the device can carry out real-time high-space-time resolution filtration and collection on microorganisms in the seawater under the condition of maintaining the original environment of the deep sea water environment so as to obtain microorganism samples with different water depths and different times; different microorganism samples can be distinguished, and cross contamination is prevented. Therefore, the device can solve the problem that the collection device in the prior art is limited to collect and store samples, and cannot obtain samples with multiple time sequences.

As an alternative embodiment, in some examples, the housing joints 4 are equally distributed with 4 layers along the axial direction, wherein the housing joints 4 of the upper two layers are used for connecting with the drainage channel, the housing joints 4 of the lower two layers are used for connecting with the water inlet channel, the included angle of the two adjacent housing joints 4 in each layer is 7.2 °, and the included angle of the two adjacent housing joints 4 in the upper two layers is 3.6 °. Further, the bottom of the connector matching housing 7 is provided with a total water inlet 8 and a total water outlet 9, wherein the total water inlet 8 is communicated with the water inlet channel, and the total water outlet 9 is communicated with the water outlet channel and is connected to the peristaltic pump through a pipeline. Specifically, 100 single-way water inlets and single-way water outlets are matched, so that seawater samples are filtered and waste liquid is discharged, different microorganism samples can be distinguished, and the interaction pollution is prevented. The main water inlet 8 is used as a water inlet interface of the whole device and is directly connected with a seawater environment through a conduit, and the main water outlet 9 is connected with a peristaltic pump to conduct out waste liquid through a waste liquid drainage pipeline 11.

Referring to fig. 3, as an alternative embodiment, in some examples, the peristaltic pump has a peristaltic pump motor housing 12, the peristaltic pump motor housing 12 is provided with a drive motor, and one end of the peristaltic pump motor housing 12 is provided with a peristaltic pump suction head 25, one end of the peristaltic pump suction head 25 is provided with a peristaltic pump inlet port 26, and the other end is provided with a peristaltic pump outlet port 27, the peristaltic pump inlet port 26 being connected to the drain channel by a conduit. Further, the peristaltic pump also has a peristaltic pump accumulator interface 13 and a peristaltic pump watertight connector interface 14.

Specifically, the peristaltic pump motor communicates through a peristaltic pump watertight connector interface 14 connected with the peristaltic pump motor cabin 12; the driving motor is used for driving the peristaltic pump to pump the pump head to work so as to pump seawater. When the seawater is pumped and filtered, the peristaltic pump driving motor is powered, the peristaltic pump pumping pump head 25 starts to work, the seawater flows into the liquid channel from the main water inlet 8, and the filtered seawater waste liquid is finally discharged to the seawater environment through the peristaltic pump water inlet 26 and the peristaltic pump water outlet 27. After the filtration is completed, the peristaltic pump driving motor is powered off, the peristaltic pump suction pump head 25 stops working, and the seawater suction filtration action in the device is finished. In this solution, the peristaltic pump motor housing 12 may be made of a titanium alloy material to prevent corrosion of the housing by the extreme seawater environment.

As an alternative embodiment, in some embodiments, the electronics compartment 1 is also connected with an electronics compartment accumulator 19. Specifically, the electronic cabin energy accumulator is used for maintaining the pressure inside the electronic cabin 1 so as to ensure the normal operation of electronic devices in the electronic cabin 1.

Referring to fig. 2, as an alternative embodiment, in some examples, a microporous filter screen plate 23 is enclosed within a filter screen plate protecting case 22, and one side of the filter screen plate protecting case 22 is provided with a filter water inlet 21, and the other side is provided with a filter water outlet 24.

Specifically, the filter screen plate protecting casing 22 is connected with the interface matching casing 7 through the filter water inlet 21 and the filter water outlet 24 on both sides, thereby being connected with the single-way water inlet and the water outlet. When the sampler works, seawater flows into the liquid channel, the micro-pore filtration sieve plate 23 filters the deep sea water and intercepts the microorganism sample in the seawater on the sieve plate, and after the sampling is finished, the micro-pore filtration sieve plate 23 is recovered and the microorganism sample is subjected to subsequent treatment test. The filter screen plate protecting casing 22 protects and supports the microporous filter screen plate 23 inside.

In other embodiments, the electronics compartment housing 18 and the interface mating housing 7 are fixedly connected by electronics compartment connection bolts 17. The bottom of the interface matching shell 7 is provided with a device integral bracket 10; the electronics compartment housing 18 is also provided with an electronics compartment watertight connector interface 20. Preferably, each liquid path connecting conduit 6, the filter screen plate protective shell and each connecting joint are made of high-temperature-resistant thermoplastic PEEK material so as to reduce the pollution of the sampling device to microorganisms in seawater.

For a better understanding of the utility model, the working steps of the sampling process of the device of the utility model are explained below with reference to the accompanying drawings.

The device can be directly connected with a mother ship power supply cable to perform independent sampling work in deep sea water, and meanwhile, deep sea water suction filtration sampling can be performed by carrying equipment such as a deep sea moving platform, an ROV and the like, so that microorganism samples in multiple paths of sea water with different space resolutions can be obtained through suction filtration. Before the collection device works, the device needs to be arranged at a point where a sample needs to be filtered, after the surrounding seawater environment is stable, the upper computer is connected with the rotary liquid path switching valve core 15, so that the rotary liquid path switching valve core is connected to a first working position with a shell interface 16 on the interface matching shell 7, flushing of a liquid path is carried out, and the deposited impurities in the device are prevented from polluting microorganisms. When sampling starts, the upper computer is controlled to rotate the liquid path switching valve core 15 to a second working position again, at the moment, the upper computer supplies power to the peristaltic pump driving motor, the peristaltic pump driving motor starts to work, seawater flows through the liquid path channel from the main water inlet 8 and flows through the filter water inlet 21, the seawater sample is filtered through the microporous filter sieve plate 23, the microbial sample is trapped on the microporous filter sieve plate 23, filtered waste liquid is discharged to the main water outlet 9 through the filter water outlet 24, the waste liquid is discharged to the seawater environment through the peristaltic pump water inlet 26 and the peristaltic pump water outlet 27, after the expected filtered seawater volume is reached (the expected filtered seawater volume can be programmed by a circuit according to the sampling rate and the sampling time of the peristaltic pump), the peristaltic pump driving motor is powered off through the upper computer, at the moment, the peristaltic pump driving pump head 25 stops working, and single-path microbial sampling is completed. At this time, the liquid path switching valve element 15 is rotated to be connected to the first working position with the housing interface 16 on the interface mating housing 7 to perform flushing of the liquid path, and waiting for the next sampling operation. By such pushing, the extraction and filtration of 99 times of seawater and the collection and preservation of microorganism samples are completed. After the 99 liquid paths are all sampled, the device is recovered, and the microporous filtering sieve plate 23 is brought back to a laboratory for subsequent test analysis.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the essence of the present utility model are intended to be included within the scope of the present utility model.

Claims (10)

1. A multi-way switching type deep sea microorganism filtering and collecting device, which is characterized by comprising:

the liquid path switching unit is provided with an interface matching shell and a liquid path switching valve core rotatably arranged in the interface matching shell, a water inlet channel and a water outlet channel are arranged in the liquid path switching valve core, and a plurality of shell connectors are arranged on the interface matching shell at intervals along the circumferential direction;

the electronic cabin body is provided with an electronic cabin shell, the electronic cabin shell is connected above the interface matching shell, a stepping speed reducing motor is arranged in the electronic cabin shell, and the stepping speed reducing motor is connected with the liquid path switching valve core through a driving shaft body so as to drive the liquid path switching valve core to rotate around an axle center;

the microbial filtering unit comprises a liquid path connecting conduit with a microporous filtering sieve plate, and the inlet and the outlet of the liquid path connecting conduit are respectively connected to the joints of the two interface matching shells; the method comprises the steps of,

a peristaltic pump connected to the drain channel by a tubing, wherein,

the liquid way switching valve core works in a first working position and a second working position, when the liquid way switching valve core is in the first working position, the water inlet channel and the water outlet channel of the liquid way switching valve core are cut off to be communicated with the liquid way connecting guide pipe with the micro-pore filtering sieve plate, and when the liquid way switching valve core is in the second working position, the water inlet channel and the water outlet channel of the liquid way switching valve core are communicated with the liquid way connecting guide pipe with the micro-pore filtering sieve plate.

2. The multi-path switching type deep sea microorganism filtering and collecting device according to claim 1, wherein the housing connectors are distributed with 4 layers in an equal number along the axial direction, wherein the housing connectors of the upper two layers are used for being connected with the water drainage channel, the housing connectors of the lower two layers are used for being connected with the water inlet channel, the included angle of two adjacent housing connectors in each layer is 7.2 degrees, and the included angle of two adjacent housing connectors in the upper two layers is 3.6 degrees.

3. The multi-path switching type deep sea microorganism filtering and collecting device according to claim 2, wherein the water inlet channel and the water outlet channel are respectively provided with two branches, and each branch corresponds to the distribution position of the shell joint.

4. The multi-way switching type deep sea microorganism filtering and collecting device according to claim 1, wherein a total water inlet and a total water outlet are arranged at the bottom of the connector matching shell, the total water inlet is communicated with the water inlet channel, and the total water outlet is communicated with the water outlet channel and connected to the peristaltic pump through a pipeline.

5. The multi-path switching type deep sea microorganism filtering and collecting device according to claim 4, wherein the peristaltic pump is provided with a peristaltic pump motor cabin, the peristaltic pump motor cabin is provided with a driving motor, one end of the peristaltic pump motor cabin is provided with a peristaltic pump suction pump head, one end of the peristaltic pump suction pump head is provided with a peristaltic pump water inlet, the other end of the peristaltic pump suction pump head is provided with a peristaltic pump water outlet, and the peristaltic pump water inlet is connected to the drainage channel through a pipeline.

6. The multi-way switching deep sea microbial filtration collection device of claim 5 wherein the peristaltic pump further has a peristaltic pump accumulator interface and a peristaltic pump watertight connector interface.

7. The multi-path switching type deep sea microorganism filtering and collecting device according to claim 1, wherein the electronic cabin is further connected with an electronic cabin energy accumulator.

8. The multi-path switching type deep sea microorganism filtering and collecting device according to claim 1, wherein the microporous filtering screen plate is wrapped in a filtering screen plate protecting shell, a filter water inlet is arranged on one side surface of the filtering screen plate protecting shell, and a filter water outlet is arranged on the other side surface of the filtering screen plate protecting shell.

9. The multi-way switching type deep sea microorganism filtering and collecting device according to claim 1, wherein the electronic cabin shell and the interface matching shell are fixedly connected through an electronic cabin connecting bolt.

10. The multi-path switching type deep sea microorganism filtering and collecting device according to claim 1, wherein the bottom of the interface matching shell is provided with a device integral bracket; the electronic cabin shell is also provided with an electronic cabin watertight connector interface.

Images